1 Definition
1.1 definisi
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka tephra greek, awu saka basa indo-european, kanggo ngobong
saka pungkasan tengah english (denoting slag saka logam molten), saka skōria greek nolak, saka dung Skor
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque